GCSE Maths - Area of a Sector and Length of an Arc of a Circle (Circles Part 3)

[@Cognitoedu]

If you’d like to practise the material covered in this video, check out our platform at www.cognitoedu.org - it's totally free, and has been built to make learning and revision as easy as possible. The main features are: - Lessons organised by topic, only the lessons relevant to your specific exam board and tier are shown. - Automatic progress tracking. Progress bars tell you what you’re doing well at, and what you need to spend some time on. - Practise quizzes so you can test your knowledge. You can quiz yourself on any combination of topics you like. - A huge number of fully-hinted questions that take you step-by-step through some of the trickiest calculations & concepts. - A comprehensive bank of past exam papers, organised both by year, and also by topic. Amadeus & Tom

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At 4:53 did u do the multiplications first then devide them by 360 and round it to 120???

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Thanks Rxuben, glad you're enjoying it 😊

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is it possible you can find the area without the degree?

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Brilliant!

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[@evelynm-z9v]

Ppl do this for their GCSEs?? I learned this in gr 8 and am REVIEWING it in gr 9….????

[@jemimacollins6759]

we cover it in year 9, but there are questions on this topic in gsce papers. we have to know it just incase a question comes up.

[@evelynm-z9v]

@@jemimacollins6759 oh ty. I'm not in the (UK?) system, I'm in a European country and from America so we never rly did that stuff.

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[@rubinijaninaa1273]

What if the teto degrees or x° is not given? How do we find the arc length?

[@ri4240]

Hi! Is there one where it’s in radians? It stresses me out when it’s in radians rather than in degrees ;/

[@lukasherngren]

Hi Amadeus! I have a problem. The shortest distance between A and B on my sector is 40.44mm. The radius is 22mm. What is the length of the arc? I do not know the angle. Please help me 🙂 /Lukas

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you know it’s bad when I’m watching this before entering my class for my final

[@SarahShafiq-zv4se]

What about minor or major arcs?

[@jenjenettt]

I dont get it, how'd u get ¼

[@AliciaRovielle]

360 divided by 90 is 4 so 1/4 of 360 is 90

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​​@@AliciaRovielleYeah id think it's basic knowledge, but then again I don't know how to do long division and I'm in set 1 year 9. My little brother knows how to do it. I know everything else except that.

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quarter of a circle 90/360

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canttt thank you enoughhh

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Tq cher

[@4smrn]

im so confused why this is on my topic lists for a non calculator test 😭😭

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Great thanks!

[@paralellosll3849]

What if you don't know the angle?

[@kkplants4904]

How ?? The shape is always given

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What does the x mean again?

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The Angle referred as theeta also

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